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Joseph A. Ratkovic
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Playa Del Ray, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Projectile guidance with accelerometers and a GPS receiver
Patent number
6,883,747
Issue date
Apr 26, 2005
Northrop Grumman Corporation
Joseph A. Ratkovic
F41 - WEAPONS
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Patent Grant
Projectile guidance with accelerometers and a GPS receiver
Patent number
6,779,752
Issue date
Aug 24, 2004
Northrop Grumman Corporation
Joseph A. Ratkovic
F41 - WEAPONS
Information
Patent Grant
Projectile guidance with accelerometers and a GPS receiver
Patent number
6,573,486
Issue date
Jun 3, 2003
Northrop Grumman Corporation
Joseph A. Ratkovic
F41 - WEAPONS
Patents Applications
last 30 patents
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Patent Application
Projectile guidance with accelerometers and a GPS receiver
Publication number
20040188561
Publication date
Sep 30, 2004
Joseph A. Ratkovic
F42 - AMMUNITION BLASTING